Mexico is a North American country located south the United States of America that still exists
INVOLVEMENT IN WORLD WAR 2 [OUR TIMELINE]
Mexico remained neutral for most of the war until nazi Germany sunk one of its oil carriers causing it to join the allies (USA,UK,FRANCE,USSR ETC) it was mostly weapon support but it did help USA with the battle with mid way at 1945 it was a winner with the allies.
MACHINEGAMES TIMELINE [WARNING: ALL INFO IS SPECULATION BUT WITH SOME PROOF]
Mexico may have remained neutral and got sunk by nazi Germany and played out the same but what changes is with the advanced nazis so USA and Mexico may have lost the battle of midway to nazi Germany and Japan and then lost again with the allies at Normandy though the 89 German deaths may be propaganda most Likely after Canada was attacked by Germany mexico may have surrendered knowing it might be the end and yeah and with the anti nazi collation and world war 3 they have been liberated